science
Grade-5
Easy
Question
Categorize the below items of plastics into their different types
Hint:
Different type of plastics are used in day to day life because they have variety of properties.
The correct answer is:
- The primary uses of polyethylene are in packaging film, garbage bags, grocery bags, insulation for wires and cables
- Economical, versatile polyvinyl chloride (PVC, or vinyl) is used in a variety of applications in the building and construction, health care, electronics, automobile and other sectors, in products ranging from piping and siding, blood bags and tubing.
- Melamine is a thermosetting plastic material. It is used for making floor tiles, kitchenware.
- Bakelite is a good insulator that is used in the manufacture of clocks, buttons, washing machines, toys, kitchenware, and other items.
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Which of the following is/are not a property of plastics?
I. Plastics are non-combustible.
II. Plastics do not react with air and acids.
III. Plastics are insoluble in water.
IV. Plastics are a poor conductor of heat
I. Plastics are non-combustible.
II. Plastics do not react with air and acids.
III. Plastics are insoluble in water.
IV. Plastics are a poor conductor of heat
Which of the following is/are not a property of plastics?
I. Plastics are non-combustible.
II. Plastics do not react with air and acids.
III. Plastics are insoluble in water.
IV. Plastics are a poor conductor of heat
I. Plastics are non-combustible.
II. Plastics do not react with air and acids.
III. Plastics are insoluble in water.
IV. Plastics are a poor conductor of heat
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When hot water is placed into an empty plastic water bottle, the water bottle keeps its shape and does not soften. What type of plastic is the water bottle made from?
When hot water is placed into an empty plastic water bottle, the water bottle keeps its shape and does not soften. What type of plastic is the water bottle made from?
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Firefighter uniforms are coated with plastic that is fire resistant. What kind of plastic is used for this purpose?
Firefighter uniforms are coated with plastic that is fire resistant. What kind of plastic is used for this purpose?
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Read the given statements and mark the appropriate answer.
Statement 1: Polyethylene is synthesized from polymers by linking a large number of ethene units.
Statement 2: Polyethylene is a natural fiber
Statement 1: Polyethylene is synthesized from polymers by linking a large number of ethene units.
Statement 2: Polyethylene is a natural fiber
Read the given statements and mark the appropriate answer.
Statement 1: Polyethylene is synthesized from polymers by linking a large number of ethene units.
Statement 2: Polyethylene is a natural fiber
Statement 1: Polyethylene is synthesized from polymers by linking a large number of ethene units.
Statement 2: Polyethylene is a natural fiber
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Heating and cooling of the thermoplastics ______ the chemical nature.
Heating and cooling of the thermoplastics ______ the chemical nature.
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The polyvinyl chloride plastics are generally _______ in water.
The polyvinyl chloride plastics are generally _______ in water.
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Plastics are divided into thermoplastics and thermosetting based on
Plastics are divided into thermoplastics and thermosetting based on
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Which of the following differences regarding thermoplastics and thermo-setts is/are true?
Which of the following differences regarding thermoplastics and thermo-setts is/are true?
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Which of the following plastics is also known as the thermoset polymer?
Which of the following plastics is also known as the thermoset polymer?
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The substance which is heat resistant and can tolerate heat better than other types of plastics is ________.
The substance which is heat resistant and can tolerate heat better than other types of plastics is ________.
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What is the full form of PVC?
What is the full form of PVC?
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Which of the following is a property of thermoplastics?
Which of the following is a property of thermoplastics?
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Which of the following picture does not depict the uses of the polyvinyl chloride (PVC)
Which of the following picture does not depict the uses of the polyvinyl chloride (PVC)
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Which of the following types of plastics have ethene as their monomer unit?
Which of the following types of plastics have ethene as their monomer unit?
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Plastic containers are very popular for storing food materials because
Plastic containers are very popular for storing food materials because
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